Fatal error: Uncaught Error: Call to undefined function WC() in /home/shoppings/webapps/nashimko/wp-content/plugins/woocommerce-compare-products/templates/product-compare.php:15 Stack trace: #0 /home/shoppings/webapps/nashimko/wp-includes/template-loader.php(74): include() #1 /home/shoppings/webapps/nashimko/wp-blog-header.php(19): require_once('/home/shoppings...') #2 /home/shoppings/webapps/nashimko/index.php(17): require('/home/shoppings...') #3 {main} thrown in /home/shoppings/webapps/nashimko/wp-content/plugins/woocommerce-compare-products/templates/product-compare.php on line 15